1. Argentesi, F. and Olivi, L. (1976). Statistical sensitivity analysis of a simulation model for the biomass-nutrient dynamics in aquatic ecosystems. Proceedings of the Summer Computer Simulation Conference, 4th, pp. 389–393.
2. Attersee Report (1976). Vorläufige Ergebnisse des OECD-Seeneutrophierungs und des MaB-Programms. Weyregg, Austria.
3. Attersee Report (1977). Vorläufige Ergebnisse des OECD-Seeneu trophierungs und des MaB-Programms. Weyregg, Austria.
4. Beck, M.B. (1979a). System Identification, Estimation, and Forecasting of Water Quality: Part I: Theory. WP-79–31. International Institute for Applied Systems Analysis, Laxenburg, Austria.
5. Beck, M.B. (1979b). Applications of System Identification and Parameter Estimation in Water Quality Modeling. WP-79–99. International Institute for Applied Systems Analysis, Laxenburg, Austria.